I just want to add a single point into a layer, for example every time I click on a specific button. Every time I click on the button a point will be created into the layer.
2012/2/6 Jody Garnett <[email protected]> > Perhaps we are talking different; it is not that I am withholding code > from you - it is that the request to add multiple resources does not make > sense. > > Question: > a) Do you want to add multiple points to an existing layer representing a > shape file? If so please ask the layer for a FeatureStore and call the > addFeatures method > -or- > b) do you want to change a layer showing points from a shape file; over to > showing points from a database table? If so you will need to change what > GeoResource the layer is using. > > Layer.void setGeoResource( IGeoResource value ) is the method; because it > is a read/write method you will need to call it from a command. > > final IGeoResource changeResource = …. > final ILayer layer = …. > layer.getMap().sendCommandAsync( new AbstractCommand(){ > public String getName(){ return "Change Resource"; } > public void run(IProgressMonitor monitor){ > ((Layer)layer).setGeoResource( changeResource ); > layer.refresh(null); // trigger redraw > } > }); > > -- > Jody Garnett > > On Monday, 6 February 2012 at 6:22 PM, Alberto Debiasi wrote: > > For example: > > I would like to create a resource Point into an existing layer. > Can you show me the code please? > > Alberto > > 2012/2/6 Jody Garnett <[email protected]> > > Well you can set the ID on a layer (make your own command for this) or > change what data it refers to; and it should pull a new resource out of the > uDig catalog. > > However a layer only does one resource at a time (in order to work with > many it will ask the catalog if it knows any other resources that are > associated with the layer it is displaying). > > -- > Jody Garnett > > On Monday, 6 February 2012 at 6:15 PM, Alberto Debiasi wrote: > > Instead of creating a new layer with some resources I would like to add > some resources to an existing layer (without create a new one). > > Alberto. > > 2012/2/6 Jody Garnett <[email protected]> > > Interesting; I usually just pass the AddLayersCommand with more or more > resources (and watch it create the default styles etc…). > > I don't understand your question about "add to an existing layer some > resources". The layer looks up the GeoResource to use in the catalog; using > the Style to aid in drawing etc... > > -- > Jody Garnett > > On Saturday, 4 February 2012 at 3:11 AM, Alberto Debiasi wrote: > > Hello everybody, > > I use the following code in order to create a *new layer *with some > resources: > > ..... > try{ > IMap map = ApplicationGIS.getActiveMap(); > LayerFactory layerFactory = map.getLayerFactory(); > Layer layer = layerFactory.createLayer(resource); > AddLayerCommand cmd = new AddLayerCommand(layer); > map.sendCommandASync(cmd); > }catch(Exception e ){ > e.printStackTrace(); > } > > I have a simple question: > How can I add to an existing layer some resources? > > > Thanks. > Alberto > > > _______________________________________________ > User-friendly Desktop Internet GIS (uDig) > http://udig.refractions.net > http://lists.refractions.net/mailman/listinfo/udig-devel > > > > _______________________________________________ > udig-users mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/udig-users > > > > > >
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